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Wd-40 Co WDFC 189.29 -1.22 -0.64%

Previous-day view · Fri Sep 18 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

WDFC / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.59
28.74
Mean
42.09
Window
-54.3%
ATM IV z -0.76
0.27
Mean
0.33
Window
-27.3%
IV Percentile z -1.60
10.71
Mean
54.1
Window
-85.3%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.96 0.93
ATM IV 0.96 1.00 0.94
IV Percent... 0.93 0.94 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 189.29 28.74 0.27 10.71
2026-09-17 190.51 33.38 0.29 31.35
2026-09-16 189.65 32.66 0.29 27.78
2026-09-15 189.83 31.8 0.28 23.41
2026-09-14 191.75 32.14 0.29 24.7
2026-09-11 194.82 31.77 0.28 23.02
2026-09-10 199.04 32.6 0.29 26.98
2026-09-09 199.84 30.55 0.28 17.46
2026-09-08 201.73 29.93 0.27 15.87
2026-09-07 207.57 31.79 0.28 22.31
2026-09-04 207.57 29.69 0.27 15.48
2026-09-03 210.46 31.25 0.28 19.44
2026-09-02 212.08 36.45 0.31 45.24
2026-09-01 212.65 36.3 0.31 44.22
2026-08-31 214.15 31.22 0.28 19.2
2026-08-28 217.17 28.81 0.27 11.95
2026-08-27 218.92 28.74 0.27 11.95
2026-08-26 216.58 28.84 0.27 12.35
2026-08-25 214.15 31.37 0.28 20.32
2026-08-24 215.89 32.52 0.29 24.4
2026-08-21 217.08 35.28 0.3 39.84
2026-08-20 211.92 28.41 0.27 12.35
2026-08-19 223.23 26.3 0.26 9.56
2026-08-18 230.01 31.18 0.28 20.72
2026-08-17 229.01 31.38 0.28 21.2
2026-08-14 229.24 31.82 0.28 22.71
2026-08-13 230.1 34.63 0.3 36.25
2026-08-12 232.5 39.12 0.32 50.6
2026-08-11 233.11 37.76 0.31 49
2026-08-10 234.51 31.95 0.28 24
2026-08-07 234.93 35.85 0.3 42.63
2026-08-06 231.2 35.9 0.3 43.03
2026-08-05 234.8 30.75 0.28 23.11
2026-08-04 236 33.84 0.29 33.47
2026-08-03 227.29 39.59 0.32 51.6
2026-07-31 227.14 57.72 0.41 77.69
2026-07-30 227.76 37.72 0.31 49.4
2026-07-29 222.4 40.01 0.33 53.78
2026-07-28 229.34 40.58 0.33 55.38
2026-07-27 233.55 35.29 0.3 43.6
2026-07-24 231.33 34.56 0.3 39.84
2026-07-23 232.61 33.92 0.29 37.45
2026-07-22 237.12 36.12 0.31 45.82
2026-07-21 237.72 36.12 0.31 46.22
2026-07-20 239.59 38.73 0.32 51.6
2026-07-17 246.79 38.41 0.32 51.79
2026-07-16 256.36 28.88 0.27 20.72
2026-07-15 249.4 32.95 0.29 35.06
2026-07-14 249.12 36.35 0.31 48.21
2026-07-13 251.43 34.66 0.3 42.8